Shop By Product Matching "ATE"

Choose your Submodel for your 2021 GMC Sierra 2500 HD


Showing 1 - 10 of 164 products
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Black Horse Off Road
  • Vigor Cross Bar
  • Black Aluminum
  • Features:
    • Essential accessory for Vigor Roll Bar
    • 3-year Manufacturer's Limited Warranty
    • Mounts to Vigor Roll Bar bed rails
    • Fabricated in cold-rolled Aluminum
    • Black powder-coat finish over an E-Coat rustproof primer
    • Slotted mounting holes allow for front-to-back adjustment
    • Rated up to 150lbs
    • Set of two
    • No-drill bolt-on installation
    • Includes mounting hardware and installation instructions
  • Black Horse Off Road Vigor Cross Bar Black Aluminum W Key Compatible with Vigor Roll Bar for Big-Size Trucks
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

Additional Fitment Information:
Vehicle Sub Model
2021 - GMC Sierra 2500 HD AT4

Black Horse Off Road
  • Rain Guards
  • Smoke Acrylic In Channel
  • Features:
    • In-channel application - easily installs inside the window channel
    • Constructed of a durable, shatterproof acrylic
    • Smoke finish coordinates nicely with factory or aftermarket tinted windows
    • Rain guards deflect rain, snow, and sleet allowing you to keep your windows slightly open even in inclement weather
    • Aerodynamic design redirects the airflow around your windows, minimizing wind noise for a quieter ride
    • Leaving windows cracked helps to regulate interior temperatures, preventing excessive heat buildup on sunny days
    • Limited lifetime warranty
  • Black Horse Off Road Rain Guards Smoke Acrylic In Channel
  • Suggested Purchase Quantity: 4
    • Most jobs typically require 4 of this item.

Additional Fitment Information:
Vehicle Sub Model
2021 - GMC Sierra 2500 HD AT4

Coast To Coast
  • Three Piece Set, Gloss Black Finish, Clip Retention, Limited Lifetime Warranty
  • Black Gloss Without Front Camera
  • Three Piece Set, Gloss Black Finish, Clip Retention, Limited Lifetime Warranty
  • Grille Insert
  • Product Attributes:
    • Lighted: No
    • With Vents: No
    • Shape: Oem
    • Installation Type: Overlay
    • Color/ Finish: Gloss Black
    • With Logo Cutout: No
    • Drilling Required: No
    • Cutting Required: No
    • With Light Cutouts: No
  • Features:
    • Designed and manufactured to fit over an into the OEM grille acssembly
    • Constructed of durable automotive grade ABS plastic
    • Easy to install with snap clips and preapplied automotive grade 3M tape
    • Quickly and inexpensively upgrades the trim level appearance of your vehicle
  • CCI Grille Overlays offer an easy and affordable way to upgrade the trim level appearance of your vehicle. Constructed of ABS plastic and secured with retention clips and automitive grade 3M tape, CCI Grille Overlays are simple to install and provide years of head-turning style. Pair them with CCI Mirror Covers, Door Handle Covers and Imposter Wheel Skins to complete the look.

Additional Fitment Information:
Vehicle Sub Model
2021 - GMC Sierra 2500 HD AT4

Black Horse Off Road
  • Warrior Roll Bar
  • Black Steel Box1-roof basket: dimensions: 52.95 X 50.39 X 8.85inch Gross Weight : 65.69 pounds
  • Features:
    • Warrior Roll Bar WRB-001BK by Black Horse Off Road - Patent Approved
    • This Warrior Roll Bar is made from Black powder coat finish high-grade materials to adds structural strength to your truck and protect you and your passengers in the event of a roll over
    • Free Shipping / Designed to carry loads up to 400 lbs.
    • Extends along bed rail for extra tie-down points
    • 3 inch diameter Mild Steel Cold-Rolled Tubing
    • Rust resistant powder-coated top-coat with an E-coat undercoat / Bolt-on, no drill installation
    • Light brackets designed to hold lights up to 50" in length (LED Bar) / Includes rear brake light
    • Quick release mechanism to remove and install basket / Includes step-by-step installation instructions and mounting hardware
    • 3 - year manufacturer's limited warranty / Will not fit if hard or soft tonneau covers installed
  • Black Horse Off Road Warrior Roll Bar Black Steel Box1-roof basket: dimensions: 52.95 X 50.39 X 8.85inch Gross Weight : 65.69 pounds Needs Slight modification for Trucks equipped with Factory Rail System

Additional Fitment Information:
Vehicle Sub Model
2021 - GMC Sierra 2500 HD AT4

Black Horse Off Road
  • Classic Roll Bar
  • Stainless Steel Stainless Steel
  • Features:
    • Classic Roll Bar RB001SS by Black Horse Off Road - Patent Approved
    • This Classic Roll Bar is made from Polished Stainless steel 4 Inch round tubes
    • Includes Third Brake Light Built in with Wiring
    • Fabricated with OEM-grade precision and materials that meet or exceed the highest quality standards.
    • The patented designs and attention to detail, ensures a long lasting and trouble-free service life.
    • Auxiliary headlights can be mounted above the cab roofline and add heavy duty tie-down points along with the rugged styling to complement the off-road functionality and recreational activities
    • All models come with step-by-step installation instructions and mounting hardware
    • Drilling on side tail lips of truck bed is required for installation
    • Requires an additional Bracket for Tonneau Cover Compatibility
  • Black Horse Off Road Classic Roll Bar Stainless Steel Stainless Steel Not Compatible with Tonneau Cover

Additional Fitment Information:
Vehicle Sub Model
2021 - GMC Sierra 2500 HD AT4

Coast To Coast
  • Three Piece Set, Chrome Finish, Clip Retention, Limited Lifetime Warranty
  • Chrome Plated Without Front Camera
  • Three Piece Set, Chrome Finish, Clip Retention, Limited Lifetime Warranty
  • Grille Insert
  • Product Attributes:
    • Lighted: No
    • With Vents: No
    • Shape: Oem
    • Installation Type: Overlay
    • Color/ Finish: Chrome Plated
    • With Logo Cutout: No
    • Drilling Required: No
    • Cutting Required: No
    • With Light Cutouts: No
  • Features:
    • Designed and manufactured to fit over an into the OEM grille acssembly
    • Constructed of durable automotive grade ABS plastic
    • Easy to install with snap clips and preapplied automotive grade 3M tape
    • Quickly and inexpensively upgrades the trim level appearance of your vehicle
  • CCI Grille Overlays offer an easy and affordable way to upgrade the trim level appearance of your vehicle. Constructed of ABS plastic and secured with retention clips and automitive grade 3M tape, CCI Grille Overlays are simple to install and provide years of head-turning style. Pair them with CCI Mirror Covers, Door Handle Covers and Imposter Wheel Skins to complete the look.

Additional Fitment Information:
Vehicle Sub Model
2021 - GMC Sierra 2500 HD AT4

Coast To Coast
  • Replacement
  • Coverage - Top Half Cover Chrome Plated Silver
  • Replacement
  • Exterior Mirror Cover
  • Product Attributes:
    • Location: Driver And Passenger Side
    • Installation Type: Snap-on
    • Quantity: Set Of 2
    • Coverage: Top Half Cover
    • Logo Design: No Logo
    • Attachment Method: Snap-on
  • Features:
    • Designed and manufactured to replace OEM mirror shell / OEM appearing
    • Constructed of durable automotive grade ABS plastic
    • Easy to install with retention clips molded into cover
    • Quickly upgrades the trim level appearance of your vehicle
  • CCI offers the largest selection of automotive restyling accessories for cars, trucks, and suv's. All CCI products are designed and manufactured for both quality and fitment and carry a limited lifetime guarantee.

Additional Fitment Information:
Vehicle Sub Model
2021 - GMC Sierra 2500 HD AT4

Black Horse Off Road
  • Epic Running Boards
  • Black Aluminum
  • Features:
    • Black Horse Off Road Aluminum Epic Running Board - Features an all-black design with ABS Step Pads
    • Compatible with 2019-2024 Chevrolet Silverado 1500 2022 Chevrolet Silverado 1500 LTD 2020-2024 Chevrolet Silverado 2500 HD/3500 HD 2019-2024 GMC Sierra 1500 2022 GMC Sierra 1500 Limited 2020-2024 GMC Sierra 2500 HD/3500 HD
    • 4.5" wide aluminum extrusion ?Diamond" Bar for a stylish & unique look
    • Extruded sliding channels to allow just 5 to 7 side bar tube lengths to cover most of the hot sales pickup truck & SUV applications
    • High strength (6063) but lightweight & rust free
    • Resistant to rust and corrosion for long-lasting use
    • All necessary hardware included
    • Easy installation, DIY instructions and all mounting hardware included
    • Sold in pair
  • Black Horse Off Road Epic Running Boards Black Aluminum Rocker Panel Mount Includes Diesel models with DEF tanks, 2022 Silverado 1500 LTD and 2022 Sierra 1500 Limited Patented
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

Additional Fitment Information:
Vehicle Sub Model
2021 - GMC Sierra 2500 HD AT4

Black Horse Off Road
  • Gladiator Roll Bar
  • Black Steel Modular
  • Features:
    • Gladiator Roll Bar GLRB-01B by Black Horse Off Road - Patent Approved - compatible with

    • Patented Design / Heavy-Duty 3-Inch Diameter 16Ga. Mild Steel Cold-Rolled Tubing
    • Black Powder-Coat Finish / E-Coat Primer for added rust resistance
    • Mandrel bent tube for smooth wrinkle-free OEM quality bends
    • Integrated Third Brake Light with power and ground included
    • Unique Tube Heavy - Duty Bed Rails extend down truck bed. / Requires Some drilling into the bed rails.
    • Includes all mounting hardware and step-by-step installation instructions
    • Pre-wired with power and ground to 40" LED Light bar
    • Three Year Limited Warranty
  • Black Horse Off Road Gladiator Roll Bar Black Steel Modular If with the utility track, can't install Needs Slight modification for Trucks equipped with Factory Rail System
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

Additional Fitment Information:
Vehicle Sub Model
2021 - GMC Sierra 2500 HD AT4

Black Horse Off Road
  • Premium Running Boards
  • Black Aluminum
  • Features:
    • Black Horse Off Road Aluminum Premium Running Board - Features an all-black with a stainless-steel trim design.
    • Compatible with 2019-2024 Chevrolet Silverado 1500 2020-2024 Chevrolet Silverado 2500 HD 2020-2024 Chevrolet Silverado 3500 HD 2019-2024 GMC Sierra 1500 2020-2024 GMC Sierra 2500 HD 2020-2024 GMC Sierra 3500 HD
    • 5" stepping surface to ease step in and out of vehicle
    • Built with heavy-duty aluminum
    • Resistant to rust and corrosion for long-lasting use
    • All necessary hardware included
    • Easy set up using factory holes
    • Sold in pair
  • Black Horse Off Road Premium Running Boards Black Aluminum Rocker Panel Mount Includes Diesel models with DEF tanks
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

Additional Fitment Information:
Vehicle Sub Model
2021 - GMC Sierra 2500 HD AT4
Showing 1 - 10 of 164 products

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